#include<bits/stdc++.h>
#define fre(ss,i,j,k) for(int ss=i;ss<=j;ss+=k)
#define rep(ss,i,j,k) for(int ss=i;ss>=j;ss-=k)
using namespace std;

int main(){
	freopen("employ.in","r",stdin);
	freopen("employ.out","w",stdout);


	return 0;
}